Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 2268 J 80 J 336 J 4.2 J 2268 J 80 J 336 J 4.2 J ANSWER DOWNLOAD EXAMIANS APP
Physics A voltaic cell converts chemical energy to Heat energy Light energy Electrical energy Mechanical energy Heat energy Light energy Electrical energy Mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics A stone floor feels cold to the bare feet but a carpet on the same floor feels warm. This is because The floor and carpet are at different temperatures The human body maintains a constant temperature The carpet is a better conductor of heat than the stone The stone conveys the heat away from the feet more rapidly than the carpet The floor and carpet are at different temperatures The human body maintains a constant temperature The carpet is a better conductor of heat than the stone The stone conveys the heat away from the feet more rapidly than the carpet ANSWER DOWNLOAD EXAMIANS APP
Physics In a filament type light bulb most of the electric power consumed appears as Visible light Ultra-violet rays Infra-red rays Fluorescent light Visible light Ultra-violet rays Infra-red rays Fluorescent light ANSWER DOWNLOAD EXAMIANS APP
Physics The GPS device in an automobile uses which communication channel? Microwave Radio frequency Infrared Satellite Microwave Radio frequency Infrared Satellite ANSWER DOWNLOAD EXAMIANS APP
Physics Who measured the velocity of light first ? Galileo Romer Einstein Newton Galileo Romer Einstein Newton ANSWER DOWNLOAD EXAMIANS APP
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